User`s manual

Strategic Resources
There are 6 Strategic Resources in the game, which are revealed as you unlock research Eras.
Strategic Resources are used to craft powerful weapons, armors, and accessories for your units
and your Heroes. There are several ways to obtain Strategic Resources in the game:
 By extracting them in regions controlled by one of your cities
 As rewards from quests
 Through diplomatic exchanges
 By purchasing them on the marketplace.